diff --git a/lcviz/utils.py b/lcviz/utils.py
index 549b6b3..afdcab7 100644
--- a/lcviz/utils.py
+++ b/lcviz/utils.py
@@ -281,7 +281,7 @@ def to_object(self, data_or_subset):
 
             if len(values) and isinstance(values[0], Time):
                 values = Time(values.base)
-            elif hasattr(component, 'units') and component.units != "None":
+            elif hasattr(component, 'units') and component.units not in ("None", ""):
                 values = u.Quantity(values, component.units)
 
             if component_id.label not in names: